227 struct pid *session_of_pgrp(struct pid *pgrp)  in session_of_pgrp()
230 	struct pid *sid = NULL;  in session_of_pgrp()
249 static int will_become_orphaned_pgrp(struct pid *pgrp,  in will_become_orphaned_pgrp()
279 static bool has_stopped_jobs(struct pid *pgrp)  in has_stopped_jobs()
299 	struct pid *pgrp = task_pgrp(tsk);  in kill_orphaned_pgrp()
683 	if (unlikely(!tsk->pid))  in do_exit()
916 	struct pid		*wo_pid;
927 struct pid *task_pid_type(struct task_struct *task, enum pid_type type)  in task_pid_type()
931 	return task->pids[type].pid;  in task_pid_type()
968 				pid_t pid, uid_t uid, int why, int status)  in wait_noreap_copyout()  argument
984 			retval = put_user(pid, &infop->si_pid);  in wait_noreap_copyout()
991 		retval = pid;  in wait_noreap_copyout()
1005 	pid_t pid = task_pid_vnr(p);  in wait_task_zombie()  local
1025 		return wait_noreap_copyout(wo, p, pid, uid, why, status);  in wait_task_zombie()
1128 		retval = put_user(pid, &infop->si_pid);  in wait_task_zombie()
1132 		retval = pid;  in wait_task_zombie()
1189 	pid_t pid;  in wait_task_stopped()  local
1228 	pid = task_pid_vnr(p);  in wait_task_stopped()
1233 		return wait_noreap_copyout(wo, p, pid, uid, why, exit_code);  in wait_task_stopped()
1250 		retval = put_user(pid, &infop->si_pid);  in wait_task_stopped()
1254 		retval = pid;  in wait_task_stopped()
1270 	pid_t pid;  in wait_task_continued()  local
1290 	pid = task_pid_vnr(p);  in wait_task_continued()
1301 			retval = pid;  in wait_task_continued()
1303 		retval = wait_noreap_copyout(wo, p, pid, uid,  in wait_task_continued()
1554 	struct pid *pid = NULL;  in SYSCALL_DEFINE5()  local
1582 		pid = find_get_pid(upid);  in SYSCALL_DEFINE5()
1585 	wo.wo_pid	= pid;  in SYSCALL_DEFINE5()
1614 	put_pid(pid);  in SYSCALL_DEFINE5()
1622 	struct pid *pid = NULL;  in SYSCALL_DEFINE4()  local
1634 		pid = find_get_pid(-upid);  in SYSCALL_DEFINE4()
1637 		pid = get_task_pid(current, PIDTYPE_PGID);  in SYSCALL_DEFINE4()
1640 		pid = find_get_pid(upid);  in SYSCALL_DEFINE4()
1644 	wo.wo_pid	= pid;  in SYSCALL_DEFINE4()
1650 	put_pid(pid);  in SYSCALL_DEFINE4()
1661 SYSCALL_DEFINE3(waitpid, pid_t, pid, int __user *, stat_addr, int, options)  in SYSCALL_DEFINE3()  argument
1663 	return sys_wait4(pid, stat_addr, options, NULL);  in SYSCALL_DEFINE3()